Remove TextTrackLoaderClient::shouldLoadCues and ::cueLoadingStarted

Source/core/loader/TextTrackLoader.h

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 23 matching lines @@
 
 namespace WebCore {
 
 class Document;
 class TextTrackLoader;
 
 class TextTrackLoaderClient {
 public:
     virtual ~TextTrackLoaderClient() { }
 
-    virtual bool shouldLoadCues(TextTrackLoader*) = 0;
     virtual void newCuesAvailable(TextTrackLoader*) = 0;
-    virtual void cueLoadingStarted(TextTrackLoader*) = 0;
     virtual void cueLoadingCompleted(TextTrackLoader*, bool loadingFailed) = 0;
     virtual void newRegionsAvailable(TextTrackLoader*) = 0;
 };
 
 class TextTrackLoader : public RawResourceClient, private WebVTTParserClient {
     WTF_MAKE_NONCOPYABLE(TextTrackLoader);
     WTF_MAKE_FAST_ALLOCATED;
 public:
     static PassOwnPtr<TextTrackLoader> create(TextTrackLoaderClient& client, Document& document)
     {
@@ skipping 32 matching lines @@
     Document& m_document;
     Timer<TextTrackLoader> m_cueLoadTimer;
     String m_crossOriginMode;
     State m_state;
     bool m_newCuesAvailable;
 };
 
 } // namespace WebCore
 
 #endif